Ferrite Circulators MCQ

Test your knowledge with important Ferrite Circulators MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Ferrite Circulators MCQs at Bissoy

• In the non-ideal scattering matrix representation of the circulator, the attenuation constant and phase constant α, β respectively are approximated as 1.
  ক

  True

  খ

  False
• In the plot of the magnitude of electric field around the periphery of the junction circulator, the curve has:
  ক

  Three peaks

  খ

  Two peaks

  গ

  Four peaks

  ঘ

  None of the mentioned
• The dielectric resonator in the circulator has a single highest order resonant mode.
  ক

  True

  খ

  False
• In a stripline junction circulator, the ferrite material is present in the form of a:
  ক

  Slab

  খ

  Ferrite disk

  গ

  Ferrite material is not used in a microstrip circulator

  ঘ

  Ferrite cubes
• In the scattering matrix representation of a non-ideal circulator, the diagonal elements of the matrix are:
  ক

  Zero

  খ

  One

  গ

  Reflection coefficient Г

  ঘ

  None of the mentioned
• A circulator device can also used as an isolator with a few modifications.
  ক

  True

  খ

  False
• Practically, opposite circulatory in a ferrite circulator can be obtained by:
  ক

  Changing the order of port operation

  খ

  Impedance matching the input ports

  গ

  Changing the polarity of the magnetic bias field

  ঘ

  None of the mentioned
• There is no method in which the scattering matrix of the opposite circularity can be obtained from the matrix we have.
  ক

  True

  খ

  False
• The total number of ones in the scattering matrix of an ideal circulator is:
  ক

  4

  খ

  3

  গ

  2

  ঘ

  5
• ________ is a three-port microwave device that can be lossless and matched at all spots.
  ক

  Hybrid junction

  খ

  Magic Tee

  গ

  Circulator

  ঘ

  Isolator